Our engineers build systems that catch bad guys. Using all available payment, user, and machine data, we have to separate legitimate credit card transactions from fraudulent in under 400ms. That means doing just-in-time mash-ups of internal data wit…

Lots of roles, for a fast growing company!! BJSS is an award winning business, providing Agile delivery across a range of sectors. Our focus is on building bespoke solutions for our clients. We get exposure to a variety of technologies, especially n…

Checkr (YC S14) in San Francisco, CA is hiring onsite Senior Software Engineers and other roles. Company background: four-year-old startup, raised $100M Series C (April 2018). Stack and infrastructure: Ruby/Sinatra/Rails, MySQL, Mongo, RabbitMQ, Kaf…